<template>
    <div class="app-container">
      <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
        <el-form-item label="学期名称" prop="termName">
          <el-input v-model="queryParams.termName" placeholder="请输入学期名称" clearable @keyup.enter.native="handleQuery"/>
        </el-form-item>
        <el-form-item label="开始日期" prop="startDate">
          <el-date-picker v-model="queryParams.startDate" type="date" value-format="yyyy-MM-dd" placeholder="选择开始日期"/>
        </el-form-item>
        <el-form-item label="结束日期" prop="endDate">
          <el-date-picker v-model="queryParams.endDate" type="date" value-format="yyyy-MM-dd" placeholder="选择结束日期"/>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
          <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
        </el-form-item>
      </el-form>
      <el-row :gutter="10" class="mb8">
        <el-col :span="1.5">
          <el-button type="primary" plain icon="el-icon-plus" size="mini" @click="handleAdd" v-hasPermi="['system:term:add']">新增</el-button>
        </el-col>
        <el-col :span="1.5">
          <el-button type="success" plain icon="el-icon-edit" size="mini" :disabled="single" @click="handleEdit" v-hasPermi="['system:term:edit']">修改</el-button>
        </el-col>
        <el-col :span="1.5">
          <el-button type="danger" plain icon="el-icon-delete" size="mini" :disabled="multiple"  @click="handleDel"  v-hasPermi="['system:term:remove']">删除</el-button>
        </el-col>
        <el-col :span="1.5">
          <el-button type="warning" plain icon="el-icon-download" size="mini" @click="handleExport" v-hasPermi="['system:term:export']">导出</el-button>
        </el-col>
        <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
      </el-row>
  
      <el-table v-loading="loading" :data="dataList" @selection-change="handleSelectionChange">
        <el-table-column type="selection" align="center" />
        <el-table-column label="学期名称"  align="center" prop="termName" :show-overflow-tooltip="true" />
        <el-table-column label="开始日期"  align="center" prop="startDate" />
        <el-table-column label="结束日期"  align="center" prop="endDate" />
        <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
          <template slot-scope="scope">
            <el-button
              size="mini"
              type="text"
              icon="el-icon-edit"
              @click="handleEdit(scope.row)"
              v-hasPermi="['system:term:edit']"
            >修改</el-button>
            <el-button
              size="mini"
              type="text"
              icon="el-icon-delete"
              @click="handleDel(scope.row)"
              v-hasPermi="['system:term:remove']"
            >删除</el-button>
          </template>
        </el-table-column>
      </el-table>
  
      <pagination  v-show="total>0" :total="total" :page.sync="queryParams.pageNum" :limit.sync="queryParams.pageSize" @pagination="getList" />

      <el-dialog :title="title" :visible.sync="open" width="800px" append-to-body>
        <el-form ref="form" :model="form" :rules="rules" label-width="120px">
          <el-row>
            <el-col :span="24">
              <el-form-item label="学期名称" prop="termName">
                <el-input v-model="form.termName" placeholder="请输入学期名称" />
              </el-form-item>
            </el-col>
            <el-col :span="24">
              <el-form-item label="开始日期" prop="startDate">
                <el-date-picker v-model="form.startDate" type="date" value-format="yyyy-MM-dd" placeholder="选择开始日期"/>
              </el-form-item>
            </el-col>
            <el-col :span="24">
              <el-form-item label="结束日期" prop="endDate">
                <el-date-picker v-model="form.endDate" type="date" value-format="yyyy-MM-dd" placeholder="选择结束日期"/>
              </el-form-item>
            </el-col>
          </el-row>
        </el-form>
        <div slot="footer" class="dialog-footer">
          <el-button type="primary" @click="submitForm">确 定</el-button>
          <el-button @click="cancel">取 消</el-button>
        </div>
      </el-dialog>
    </div>
  </template>
  
  <script>
  import { listTerm, getTerm, delTerm, addTerm, updateTerm, } from "@/api/teachMan/term";
  import Crontab from '@/components/Crontab'
export default {
    name: "term",
    components: { Crontab },
    data() {
      return {
        // 遮罩层
        loading: true,
        // 选中数组
        ids: [],
        // 非单个禁用
        single: true,
        // 非多个禁用
        multiple: true,
        // 显示搜索条件
        showSearch: true,
        // 总条数
        total: 0,
        // 表格数据
        dataList: [],
        // 弹出层标题
        title: "",
        // 是否显示弹出层
        open: false,
        // 查询参数
        queryParams: {
          pageNum: 1,
          pageSize: 10,
          termName: undefined,
        },
        // 表单参数
        form: {
          termName:null,
          startDate:null,
          endDate:null,
        },
        // 表单校验
        rules: {
          termName: [
            { required: true, message: "学期名称不能为空", trigger: "blur" }
          ],
          startDate: [
            { required: true, message: "入学学期不能为空", trigger: "blur" }
          ],
          endDate: [
            { required: true, message: "毕业学期不能为空", trigger: "blur" }
          ],
        }
      };
    },
    created() {
      this.getList();
    },
    methods: {
      /** 查询列表 */
      getList() {
        this.loading = true;
        listTerm(this.queryParams).then(response => {
          this.dataList = response.rows;
          this.total = response.total;
          this.loading = false;
        });
      },
      // 取消按钮
      cancel() {
        this.open = false;
        this.reset();
      },
      // 表单重置
      reset() {
        this.form = {
          termName:null,
          startDate:null,
          endDate:null,
        };
        this.resetForm("form");
      },
      /** 搜索按钮操作 */
      handleQuery() {
        this.queryParams.pageNum = 1;
        this.getList();
      },
      /** 重置按钮操作 */
      resetQuery() {
        this.resetForm("queryForm");
        this.handleQuery();
      },
      // 多选框选中数据
      handleSelectionChange(selection) {
        this.ids = selection.map(item => item.id);
        this.single = selection.length != 1;
        this.multiple = !selection.length;
      },
      /** 新增按钮操作 */
      handleAdd() {
        this.reset();
        this.open = true;
        this.title = "添加任务";
      },
      /** 修改按钮操作 */
      handleEdit(row) {
        this.reset();
        const termId = row.id || this.ids;
        getTerm(termId).then(response => {
          this.form = response.data;
          this.open = true;
          this.title = "修改任务";
        });
      },
      /** 提交按钮 */
      submitForm: function() {
        this.$refs["form"].validate(valid => {
          if (valid) {
            if (this.form.id != undefined) {
              updateTerm(this.form).then(response => {
                this.$modal.msgSuccess("修改成功");
                this.open = false;
                this.getList();
              });
            } else {
              addTerm(this.form).then(response => {
                this.$modal.msgSuccess("新增成功");
                this.open = false;
                this.getList();
              });
            }
          }
        });
      },
      /** 删除按钮操作 */
      handleDel(row) {
        const ids = row.id || this.ids;
        this.$modal.confirm('是否确认删除？').then(function() {
          return delTerm(ids);
        }).then(() => {
          this.getList();
          this.$modal.msgSuccess("删除成功");
        }).catch(() => {});
      },
      /** 导出按钮操作 */
      handleExport() {
        this.download('system/term/export', {
          ...this.queryParams
        }, `学期${new Date().getTime()}.xlsx`)
      }
    }
  };
</script>

<style>
  .el-input--medium .el-input__inner{
    width: 260px;
  }
</style>